thumb|An unfinished basement used for storage and exercise thumb|Chillon Castle (Château de Chillon) basement thumb|A former Stasi basement hallway
A basement is the floor or level of a building located below ground level, commonly used for storage, utilities, or other purposes. Basements matter because they provide additional usable space in buildings and can serve practical functions like housing mechanical systems or offering extra room for activities and storage.
AI-generated from the Wikipedia summary — may contain errors.
thumb|An unfinished basement used for storage and exercise thumb|Chillon Castle (Château de Chillon) basement thumb|A former Stasi basement hallway
A basement is any floor of a building that is not above the grade plane. Especially in residential buildings, it often is used as a utility space for a building, where such items as the furnace, water heater, breaker panel or fuse box, car park, and air-conditioning system are located; so also are amenities such as the electrical system and cable television distribution point. In cities with high property prices, such as London, basements are often fitted out to a high standard and used as living space.
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